Product Profile of Optical Fluorescent Whitener For Polyester
National Dyechem offers Optical Fluorescent Whitener for Polyester. National Dyechem also manufactures variety of Speciality Chemicals and Dyeing and Finishing Products. The Optical Fluorescent Whitener for Polyester, under the brand name, Natowhite ER is used in exhaust process in textile industry. The Optical Fluorescent Whitener for Polyester is used for low temperature developing for polyester. It has got excellent compatibility with other finishing agents, if whitening and finishing done in one bath. It is Yellowish Liquid in appearance having non ionic properties. It has a PH of 4.5 - 5.5. It is stable to alkalies, acids, hardwater, and peroxide bleach, except hypochlorite bleaching liquor.
Key Features of Optical Fluorescent Whitener For Polyester
- It is an aqueous preparation of Distyrylbenzene derivative
- Non-ionic properties.
- Is Yellowish liquid.
- PH value is 4.5 - 5.5 [10% solution at R.T.]
- Can be dispersed in cold water at all concentration. Diluted product shouldbe protected from light.
- Exhausts almost completely in fiber at boil. The degree of Whiteness increases greatly with suitable carrier and rise in temperature.
- It is stable to alkalies, acids, hardwater, and peroxide bleach, except hypochlorite bleaching liquor.
- Good whiteness in exhaust process from 95 Degree C, even without use of carrier.
- One bath fluorescent whitening of P/C blends with peroxide bleaching.
- Stable in bleaching liquors except hypochlorite bleaching.
- Is economical.
- Have over all good fastness standards.
